Answer:Prolonged wakefulness can be due to acute total sleep deprivation (SD) or to ... depiction of real life conditions, total SD has been more thoroughly explored. ... In verbal episodic memory, SD of 35 h impaired free recall, but not ... has compared total and partial SD found that after controlling learning effects, ...
Although learning new information during sleep has not been considered possible, at least to the extent it is used in fiction, the term hypnopedia has also been used to refer to the technique of exposing someone to sounds or odors during sleep in attempts to boost memory for previously learned information.
A— This sentence pretty much sums up what the writer of the passage wants to talk about. The other ones do not fit with the sentence “water is one factor that is necessary for growth” and do not fit the idea of the passage, which is what factors affect plant growth.